20033110021013 has 4 divisors (see below), whose sum is σ = 20039532951360. Its totient is φ = 20026687090668.

The previous prime is 20033110021003. The next prime is 20033110021049. The reversal of 20033110021013 is 31012001133002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20033110021013 - 2⁴ = 20033110020997 is a prime.

It is a super-2 number, since 2×20033110021013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20033110020982 and 20033110021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033110021003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3211460495 + ... + 3211466732.

It is an arithmetic number, because the mean of its divisors is an integer number (5009883237840).

Almost surely, 2^{20033110021013} is an apocalyptic number.

It is an amenable number.

20033110021013 is a deficient number, since it is larger than the sum of its proper divisors (6422930347).

20033110021013 is an equidigital number, since it uses as much as digits as its factorization.

20033110021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422930346.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20033110021013 its reverse (31012001133002), we get a palindrome (51045111154015).

The spelling of 20033110021013 in words is "twenty trillion, thirty-three billion, one hundred ten million, twenty-one thousand, thirteen".